City, businesses work to protect ground water

November 28, 2009

By Staff

NEW — 6 a.m. Nov. 28, 2009

Almost 95 percent of Issaquah businesses affected by regulations to protect city drinking water have complied with the requirements, city officials announced this week.

City Public Works Engineering staffers initiated the Critical Aquifer Recharge Area program to protect ground water last year. Ground water in the Lower Issaquah Valley Aquifer is a major source of city drinking water.

During the past year, businesses located within the recharge area have tracked hazardous materials and drafted management plans to handle hazardous materials.

Businesses are required to take the steps if they store or use more than 20 gallons of hazardous material. Public Works Engineering staffers worked with the businesses to meet the recharge area requirements. The city requires business owners to take several steps — from planning and prevention to mitigation — to prevent hazardous materials used at the businesses from entering surface and groundwater.

City facilities are also taking steps to meet the regulations. Learn more about the program here.

The city program to cut water pollution has prevented industrial chemicals, fryer grease and even the material dentists use to fill cavities from contaminating ground water.

The state Department of Ecology pays for a city Public Works Engineering Department employee to stop pollution at its source, or “source control.” Under the practice, city employees attempt to deal with pollutants at the source — before contaminants can enter and harm the environment.

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3 Responses to “City, businesses work to protect ground water”

  1. Justin Case on November 28th, 2009 4:36 pm

    It would be real nice if articles such as this one, that describes an area (Critical Aquifer Recharge Area) came with an outline or map so that the public has a better understanding of the area in question.

  2. Connie Marsh on November 29th, 2009 2:53 am

    Yeah, but ask them where they are in giving our aquifer Sole Source Aquifer Protection. This provides further protection…but the City has been fighting this step.

  3. Dallas Cross on December 1st, 2009 2:48 pm

    In order to protect the aquifer we need to be able to detect that which enters it and causes harm. In an article submitted to this newspaper I discuss the hazards of bisphenyl-A (BPA) and styrene chemical contaminents that slip in and out of our water supply and system causing subtle and severe health problems. Such chemicals as these are not sufficiently controlled from entering nor adequately meaured to assess water potability, and they should be. They both leach from plastic containers and waste into the ground and have been shown in other places to enter aquifers through the soil. The fish in our streams have already given us early warning about this problem.

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